Finding the Fourth Proportional to 84,409.84, 126,637.23 and 25,246.09
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Solution
The fourth proportional to 84,409.84, 126,637.23 and 25,246.09 is: 37,875.86
Step by Step Solution
- Step 1: Write the proportion equation
84,409.84 : 126,637.23 = 25,246.09 : x - Step 2: Convert to fraction form
84,409.84/126,637.23 = 25,246.09/x - Step 3: Cross multiply
84,409.84x = 126,637.23 × 25,246.09 - Step 4: Simplify right side
84,409.84x = 3,197,094,905.93 - Step 5: Solve for x
x = 3,197,094,905.93/84,409.84 - Step 6: Final answer
x = 37,875.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.